#include <stdio.h>
int a[27];
main()
{
    int i,n,j=1;
    a[1]=1;
    printf("The original order of cards is(r:rad b:block):\n");
    for(i=2;i<=26;i++)
    {
        n=1;
        do{ if(j>26)j=1;
        if(a[j])j++;
        else{if(n==3)a[j]=i;
            j++;n++;   
            } 
         }while(n<=3);
    }
for(i=1;i<=26;i++)
    {
    printf("%c",a[i]<13?'r':'b');
    printf("%2d",a[i]>13?a[i]-13:a[i]);
    }
printf("\n");
}